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🛰️ SATELLITE · HISTORICAL RECORD

Neman No. 6L

Re-entered 13 Mar 1992

Neman No. 6L (NORAD 21560, COSPAR 1991-049A) was a SU satellite that re-entered Earth's atmosphere on 13 Mar 1992, launched on 10 Jul 1991 on the Yantar'-4KS1M mission. It was operated by TSSKB as part of the Neman programme. The spacecraft was built by TSSKB on the Yantar'-4KS1 bus, with a mass of 3,790 kg. Like most satellites in low orbits, it was gradually slowed by atmospheric drag until re-entry. Historical record from Orbital Radar's satellite archive, cross-referenced with the live satellite catalogue.

1991
launched
1992
re-entered
1
year on orbit
3,790
kg mass

Lifecycle

Launched10 Jul 1991 · on the Yantar'-4KS1M mission
Operational13 Mar 1992 · entered service
Retired13 Mar 1992 · end of operational service
Re-entered13 Mar 1992 · atmospheric re-entry — object destroyed

Specifications

NORAD ID21560
COSPAR1991-049A
TypeSatellite
OperatorTSSKB
Country / StateSU
ManufacturerTSSKB
BusYantar'-4KS1
Mass3,790 kg
ProgrammeNeman
CategoryIMG
OrbitLEO (LLEO/I)
Altitude235 × 284 km
Inclination64.9°

Frequently asked questions

What happened to Neman No. 6L?

Neman No. 6L re-entered Earth's atmosphere on 13 Mar 1992, ending a mission that began with its launch in 1991. Objects in low orbits are gradually slowed by atmospheric drag until they fall back and burn up on re-entry.

When did Neman No. 6L re-enter the atmosphere?

Neman No. 6L re-entered on 13 Mar 1992, according to Orbital Radar's historical catalogue records.

Who operated and built Neman No. 6L?

Neman No. 6L was operated by TSSKB and built by TSSKB (SU).

Historical record from the Orbital Radar satellite archive. Sources & methodology: data sources. Accessed 2026-09-06.